CN-224233501-U - Circuit board mounting structure and motor

Abstract

The utility model relates to the technical field of motors, in particular to a circuit board mounting structure and a motor, which comprise a base, a stator assembly and a control board, wherein the stator assembly is arranged on the base, the stator assembly is provided with a stator framework, one end of the stator framework is provided with a support frame, the support frame comprises an inner support piece and an outer support piece which are arranged on the stator framework, the end faces of the inner support piece and the outer support piece are relatively flush, the support frame is provided with a fixing element and a positioning element, the control board is arranged on the support frame, the positioning element is used for mounting and positioning the control board, and the fixing element is used for fixing the control board on the support frame. According to the utility model, the control panel is accurately installed, positioned and installed through the matching of the positioning element and the fixing element, so that a worker can rapidly place the control panel to an accurate position in the assembly process, and the time and energy consumption of repeated adjustment and alignment are reduced.

Inventors

• YU YANAN
• YANG YINGJIE
• GUO JIAN
• LIU ZIQIANG
• ZHANG SHANGYI

Assignees

• 本末动力(北京)科技股份有限公司

Dates

Publication Date

20260512

Application Date

20250421

Claims (10)

1. 1. The circuit board mounting structure is characterized by comprising a base, a stator assembly and a control board, wherein the stator assembly is arranged on the base, the stator assembly is provided with a stator framework, one end of the stator framework is provided with a support frame, the support frame comprises an inner support piece and an outer support piece which are arranged on the stator framework, the end faces of the inner support piece and the outer support piece are relatively flush, a fixing element and a positioning element are arranged on the support frame, the control board is arranged on the support frame, the positioning element is used for mounting and positioning the control board, and the fixing element is used for fixing the control board on the support frame.
2. 2. The circuit board mounting structure of claim 1, wherein one end of the base is provided with an end cover, the other end is provided with a mating step, and the stator frame is arranged on the mating step.
3. 3. The circuit board mounting structure according to claim 2, wherein the fitting step is provided with a wiring groove, one end of which is communicated to the control board, the other end of which is communicated and penetrates the end cover.
4. 4. The circuit board mounting structure of claim 1, wherein the stator frame is provided with a plurality of stator winding arms, the plurality of stator winding arms are uniformly distributed on the periphery of the stator frame in a circumferential direction, and the outer supporting piece is arranged at the end part of the stator winding arms.
5. 5. The circuit board mounting structure of claim 4, wherein the inner support member is arranged on the stator frame in a ring shape, and the outer support member is formed by a plurality of support blocks arranged on the stator winding arms in a ring direction in a continuous manner.
6. 6. The circuit board mounting structure of claim 1, wherein the fixing element is a fixing buckle, and the control board is provided with a fixing slot, and the fixing buckle is used for fixing and fastening the control board on the supporting frame.
7. 7. The circuit board mounting structure of claim 6, wherein the fixing buckles are provided with inclined planes, the fixing buckles are divided into two groups, one group of inclined planes face the base, and the other group of inclined planes face away from the base, so that radial fixing is achieved.
8. 8. The circuit board mounting structure of claim 1, wherein the positioning element is a positioning pin, the control board is provided with a positioning hole, the positioning hole is used for being matched with the positioning pin, and the end part of the positioning pin is provided with a chamfer.
9. 9. The motor is characterized by comprising the circuit board mounting structure according to any one of claims 1-8, wherein a cavity is formed in the axis of the base, a rotating shaft assembly is arranged in the cavity, the rotating shaft assembly is connected with a rotor assembly, the rotor assembly comprises a rotor shell and a rotor element, the rotor element is arranged in the rotor shell, and the rotor element is opposite to the rotor assembly.
10. 10. The motor of claim 9, wherein an end cover is disposed at one end of the base, a mounting portion is disposed at an outer side of the end cover, the mounting portion is provided with a mounting hole, the end cover is provided with a retainer ring, one end of the rotor housing extends to the retainer ring, and an inner diameter of the rotor housing is opposite to an outer diameter of the retainer ring.

Description

Circuit board mounting structure and motor Technical Field The utility model relates to the technical field of motors, in particular to a circuit board mounting structure and a motor. Background An electric motor, which is a device for converting electric energy into mechanical energy (or vice versa), plays a vital role in modern industry and daily life. From a professional perspective, the motor mainly works based on the principle of electromagnetic induction, and the core components of the motor generally comprise a stator, a rotor, electromagnetic windings and the like. In an electric machine, the stator is provided as a stationary part, typically with electromagnetic windings for generating a rotating magnetic field. The rotor is used as a rotating part and is stressed to rotate in a rotating magnetic field through electromagnetic induction, so that electric energy is converted into mechanical energy. In addition, the motor is also provided with a plurality of types so as to adapt to different application scenes. The direct-drive motor generally needs to be internally provided with a control board, and the existing control board needs to be fixed by screws during assembly, but the difficulty is higher during installation of the control board due to the relatively complex internal structure of the motor. New designs are therefore required for existing control board mounting structures. Disclosure of utility model In order to solve the problems, the utility model accurately installs the control panel by matching the positioning element and the fixing element, so that a worker can rapidly place the control panel to an accurate position in the assembly process, and the reliability of repeated adjustment and alignment time and energy consumption is reduced. The technical scheme includes that the circuit board mounting structure comprises a base, a stator assembly and a control board, wherein the stator assembly is arranged on the base, the stator assembly is provided with a stator framework, one end of the stator framework is provided with a support frame, the support frame comprises an inner support piece and an outer support piece which are arranged on the stator framework, the end faces of the inner support piece and the outer support piece are relatively flush, a fixing element and a positioning element are arranged on the support frame, the control board is arranged on the support frame, the positioning element is used for mounting and positioning the control board, and the fixing element is used for fixing the control board on the support frame. The technical scheme is further improved in that an end cover is arranged at one end of the base, a matching step is arranged at the other end of the base, and the stator framework is arranged on the matching step. The scheme is further improved in that the matching step is provided with a wiring groove, and one end of the wiring groove is communicated with the control board, the other end of the wiring groove is communicated with the end cover. The stator framework is provided with a plurality of stator winding arms, the stator winding arms are uniformly distributed on the periphery of the stator framework in a circumferential direction, and the outer supporting piece is arranged at the end part of the stator winding arms. The technical scheme is further improved in that the inner supporting piece is annularly arranged on the stator framework, and the outer supporting piece is formed by annularly and continuously arranging a plurality of supporting blocks on the stator winding arms. The further improvement of the scheme is that the fixing element is arranged into a fixing buckle, a fixing clamping groove is formed in the control board, and the fixing buckle is used for fixing and buckling the control board on the supporting frame. The technical scheme is further improved in that the positioning element is a positioning pin, the control board is provided with a positioning hole, the positioning hole is used for being matched with the positioning pin, and the end part of the positioning pin is provided with a chamfer. According to the technical scheme, the fixing buckles are provided with inclined planes, the fixing buckles are in two groups, one group of inclined planes face the base, and the other group of inclined planes face away from the base, so that radial fixing is achieved. The motor comprises a circuit board mounting structure, a cavity is formed in the axis of the base, a rotating shaft assembly is arranged in the cavity, the rotating shaft assembly is connected with a rotor assembly, the rotor assembly comprises a rotor shell and a rotor element, the rotor element is arranged in the rotor shell, and the rotor element is opposite to the rotor assembly. The technical scheme is further improved, the rotating shaft assembly comprises a bearing piece and a rotating shaft, the bearing piece is arranged in the cavity, the rotating shaft is arranged on the b